import React ,{useEffect,useRef} from 'react'
import * as echarts from 'echarts';
function DataVisualization() {
  const mychart = useRef()
  useEffect(()=>{
    console.log(mychart.current);
    let myChart = echarts.init(mychart.current)
    const option = {
      title: {
        text: 'ECharts 入门示例'
      },
      tooltip: {},
      xAxis: {
        data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
      },
      yAxis: {},
      series: [
        {
          name: '销量',
          type: 'bar',
          data: [5, 20, 36, 10, 10, 20]
        }
      ]
    }
    myChart.setOption(option);
  },[])
  return (
    <div>
      数据可视化
      <div style={{width:"300px",height:"300px"}} ref={mychart}></div>
    </div>
  )
}

export default DataVisualization